var menu=function(){
	var t=15,z=50,s=6,a;
	function dd(n){this.n=n; this.h=[]; this.c=[]}
	dd.prototype.init=function(p,c){
		a=c; var w=document.getElementById(p), s=w.getElementsByTagName('ul'), l=s.length, i=0;
		for(i;i<l;i++){
			var h=s[i].parentNode; this.h[i]=h; this.c[i]=s[i];
			h.onmouseover=new Function(this.n+'.st('+i+',true)');
			h.onmouseout=new Function(this.n+'.st('+i+')');
		}
	}
	dd.prototype.st=function(x,f){
		var c=this.c[x], h=this.h[x], p=h.getElementsByTagName('a')[0];
		clearInterval(c.t); c.style.overflow='hidden';
		if(f){
			p.className+=' '+a;
			if(!c.mh){c.style.display='block'; c.style.height=''; c.mh=c.offsetHeight; c.style.height=0}
			if(c.mh==c.offsetHeight){c.style.overflow='visible'}
			else{c.style.zIndex=z; z++; c.t=setInterval(function(){sl(c,1)},t)}
		}else{p.className=p.className.replace(a,''); c.t=setInterval(function(){sl(c,-1)},t)}
	}
	function sl(c,f){
		var h=c.offsetHeight;
		if((h<=0&&f!=1)||(h>=c.mh&&f==1)){
			if(f==1){c.style.filter=''; c.style.opacity=1; c.style.overflow='visible'}
			clearInterval(c.t); return
		}
		var d=(f==1)?Math.ceil((c.mh-h)/s):Math.ceil(h/s), o=h/c.mh;
	/*	c.style.opacity=o; c.style.filter='alpha(opacity='+(o*65)+')'; */
		c.style.height=h+(d*f)+'px'
	}
	return{dd:dd}
}();

function opn_child_wdw(url) {						        
    var attrib = "height=640, width=800,scrollbars=yes,toolbar=no, menubar=no, resizable=yes left=" + (screen.width / 2 - 390) + " top=" + (screen.height / 2 - 325);
    window.open(url, 'popupwindow', ''+ attrib +'');
}
function val_int(el) {
   if (el == null) return;
   for (i=0; i < el.value.length; i++) {
       if (el.value.charCodeAt(i) < 47 || el.value.charCodeAt(i) > 57) {
          alert('Invalid character [' + el.value.charAt(i) + '] in Quantity input. Specified quantity will not be considred.');                   
          el.value = '0';                                    
          return;
       }   
   }                      
}
function val_decimal(el) {
    if (el==null) return;
    if (el.value.charCodeAt(el.value.length-1) == 8) return;
        
    var dotCnt = 0;
    for (i=0; i<el.value.length;i++)
        if(el.value.charAt(i) == '.') dotCnt++;
        
    if(dotCnt > 1){
        el.value = el.value.substring(0, el.value.length-1);   
        return;
    }                               
    if (el.value.charAt(el.value.length-1) != '.' && (el.value.charCodeAt(el.value.length-1) < 48 || el.value.charCodeAt(el.value.length-1) > 57)){
        el.value = el.value.substring(0, el.value.length-1);   
        return;
    }        
}
function val_max_len(el, mlen){
    if (el == null) return;
    if (el.value.length > mlen) {
        el.value = el.value.substring(0, mlen);
    }
}

      
function show_img(el, popEl){                     
   var tt = document.getElementById(popEl);                      
   tt.style.display='block';
   tt.style.left = posX + 5 + 'px';
   tt.style.top = posY + 5 + 'px';
   el.style.backgroundColor='#ccffff';            
}    
function hide_img(pel, elid){
   var el = document.getElementById(elid);
   if (el != null) el.style.display = 'none';
   pel.style.backgroundColor='#fff';
}